22666650 has 48 divisors (see below), whose sum is σ = 56674944. Its totient is φ = 5994880.

The previous prime is 22666621. The next prime is 22666663. The reversal of 22666650 is 5666622.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19999 + ... + 21101.

It is an arithmetic number, because the mean of its divisors is an integer number (1180728).

Almost surely, 2^22666650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22666650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28337472).

22666650 is an abundant number, since it is smaller than the sum of its proper divisors (34008294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22666650 is a wasteful number, since it uses less digits than its factorization.

22666650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 22666650 is about 4760.9505353448. The cubic root of 22666650 is about 283.0060889282.

The spelling of 22666650 in words is "twenty-two million, six hundred sixty-six thousand, six hundred fifty".